'datholite' definitions:

Definition of 'datholite'

From: GCIDE

Datolite \Dat"o*lite\, n. [From. Gr. ? to divide + -lite; in allusion to the granular structure of a massive variety.] (Min.) A borosilicate of lime commonly occuring in glassy,, greenish crystals. [Written also datholite.] [1913 Webster]